The risers can be installed on 1979 to present Piper PA-44 Seminoles powered by two Lycoming 180-horsepower O-360 engines.
Source: general aviationPiper Seminole exhaust risers get FAA nod
The risers can be installed on 1979 to present Piper PA-44 Seminoles powered by two Lycoming 180-horsepower O-360 engines.
Source: general aviationPiper Seminole exhaust risers get FAA nod